#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#    Code base of Animesh Sharma [ sharma.animesh@gmail.com ]

#!/usr/bin/perl
if(@ARGV ne 3){die "USAGE:	ext3 from to progname \n";}
$ext1=lc(shift @ARGV);$ext2=lc(shift @ARGV);$prog= shift @ARGV;
system ("ls -1 > t");
open F,"t";
while($l=<F>)
{	chomp $l;
	$l=($l);#print "$l\n";
	if($l =~ /$ext1$/i){
	$ll=$l;
	$ll =~ s/$ext1/$ext2/ig;
	system("$prog \"$l\" -w \"$ll\"");
	#print "$l\t$ll\t$prog\n";
	}
}
